horizontal rib横肋horizontaladj.水平的；横的n.水平线；水平面Horizontal Intermediate Input水平型中间品horizontal semicircular canal水平半规管, 外半规管horizontal distribution frame水平配线架horizontal timebase generator水平扫描信号发生器horizontal long drilling hole水平长钻孔horizontal maxillary fracture水平骨折horizontal cyclicloading test低周反复试验horizontal concomitant squint水平共同性斜视, 水平共转性斜视horizontal scroll data packet横卷数据包horizontality of support ring支承圈水平度